bootstrap-vue/src/components/popover/popover.js

BootstrapVue, with over 40 plugins and more than 75 custom components, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated WAI-ARIA accessibility markup.

import Vue from '../../utils/vue'
import PopOver from '../../utils/popover.class'
import warn from '../../utils/warn'
import { isArray, arrayIncludes } from '../../utils/array'
import { getComponentConfig } from '../../utils/config'
import { HTMLElement } from '../../utils/safe-types'
import normalizeSlotMixin from '../../mixins/normalize-slot'
import toolpopMixin from '../../mixins/toolpop'

const NAME = 'BPopover'

export const props = {
  title: {
    type: String,
    default: ''
  },
  content: {
    type: String,
    default: ''
  },
  triggers: {
    type: [String, Array],
    default: 'click'
  },
  placement: {
    type: String,
    default: 'right'
  },
  fallbackPlacement: {
    type: [String, Array],
    default: 'flip',
    validator(value) {
      return isArray(value) || arrayIncludes(['flip', 'clockwise', 'counterclockwise'], value)
    }
  },
  delay: {
    type: [Number, Object, String],
    default: () => getComponentConfig(NAME, 'delay')
  },
  boundary: {
    // String: scrollParent, window, or viewport
    // Element: element reference
    type: [String, HTMLElement],
    default: () => getComponentConfig(NAME, 'boundary')
  },
  boundaryPadding: {
    type: Number,
    default: () => getComponentConfig(NAME, 'boundaryPadding')
  }
}

// @vue/component
export const BPopover = /*#__PURE__*/ Vue.extend({
  name: NAME,
  mixins: [toolpopMixin, normalizeSlotMixin],
  props,
  data() {
    return {}
  },
  methods: {
    createToolpop() {
      // getTarget is in toolpop mixin
      const target = this.getTarget()
      /* istanbul ignore else */
      if (target) {
        this._toolpop = new PopOver(target, this.getConfig(), this.$root)
      } else {
        this._toolpop = null
        warn("b-popover: 'target' element not found!")
      }
      return this._toolpop
    }
  },
  render(h) {
    return h(
      'div',
      {
        class: ['d-none'],
        style: { display: 'none' },
        attrs: { 'aria-hidden': true }
      },
      [
        h('div', { ref: 'title' }, this.normalizeSlot('title')),
        h('div', { ref: 'content' }, this.normalizeSlot('default'))
      ]
    )
  }
})

export default BPopover